Did you know that access to properties in the app object is more than 1000 times slower than accessing the same property in a module?

My testing shows that accessing app calls internally a function App which calls a function GetAppObject. Both spend a lot of CPU time for stack checking, cast checking and background tasks.

To move methods and properties from app to a module, you should create a module in your project and save the project in the text format. There you can simply copy & paste all your methods and properties in big chunks.